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The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
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Renal Tubule and Collecting Duct01:24

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The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
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The development of the vascular system in a fetus is a complex and intricate process that begins as early as 15 to 16 days post-conception. This process starts outside the embryo, specifically in the mesoderm of the yolk sac, chorion, and connecting stalk. Approximately two days later, the formation of blood vessels occurs within the embryo itself.
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Cellular Adaptation I: Introduction and Atrophy01:23

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Cells can adapt to environmental changes to maintain function and avoid injury, a process called cellular adaptation. Adapted cells exist in a reversible intermediate state with changes in size, number, phenotype, metabolism, or function. These responses help cells meet altered physiological or pathological demands; for example, enlargement of breast and uterine tissues during pregnancy. Early adaptations may enhance function, but persistent stress eventually causes tissue damage.Types of...
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Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
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Neurodevelopmental Reflex Testing in Neonatal Rat Pups
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Renal development and neonatal adaptation.

M Saint-Faust1, F Boubred2, U Simeoni2

  • 1Department of Neonatology, Universitary Hospital, Nice, France.

American Journal of Perinatology
|March 14, 2014
PubMed
Summary
This summary is machine-generated.

Kidney development impacts lifelong health. Impaired kidney development in utero or infancy can lead to chronic kidney disease and adult cardiovascular risks.

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Area of Science:

  • Nephrology
  • Developmental Biology
  • Pediatric Medicine

Background:

  • Kidney development is crucial for adapting to life outside the womb.
  • Problems during fetal or newborn kidney development can cause lifelong health issues, including fewer nephrons, chronic kidney disease, and adult cardiovascular disease.
  • Factors like intrauterine growth restriction, premature birth, and congenital anomalies are known contributors.

Purpose of the Study:

  • To provide a thorough understanding of kidney development.
  • To review the transition of neonatal kidneys to extrauterine life.
  • To examine the maturation of kidneys in early infancy and its lifelong impact.

Main Methods:

  • This is a review article.
  • It synthesizes existing research on renal development and maturation.
  • Focuses on factors affecting kidney function from infancy to adulthood.

Main Results:

  • Prenatal and neonatal factors significantly influence nephrogenesis and long-term renal health.
  • Nephrotoxic drug exposure in neonates can cause acute kidney injury and chronic kidney disease.
  • Developmental and maturational changes profoundly affect lifelong kidney function.

Conclusions:

  • Understanding renal development is key to preventing lifelong kidney and cardiovascular issues.
  • Early life kidney health is critical for adult well-being.
  • Interventions targeting early renal development may mitigate chronic disease risks.